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143422144012 = 22717961946229
BaseRepresentation
bin1000010110010010100…
…0000011111000001100
3111201012100001210210201
42011210220003320030
54322212032102022
6145515350143244
713235064052360
oct2054450037014
9451170053721
10143422144012
1155909074634
1223967951b24
13106a886c094
146d27d212a0
153ae63a0127
hex2164a03e0c

143422144012 has 48 divisors (see below), whose sum is σ = 288919008000. Its totient is φ = 61023178944.

The previous prime is 143422144003. The next prime is 143422144091. The reversal of 143422144012 is 210441224341.

It is a super-2 number, since 2×1434221440122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079314 + ... + 3125542.

It is an arithmetic number, because the mean of its divisors is an integer number (6019146000).

Almost surely, 2143422144012 is an apocalyptic number.

It is an amenable number.

143422144012 is an abundant number, since it is smaller than the sum of its proper divisors (145496863988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143422144012 is a wasteful number, since it uses less digits than its factorization.

143422144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47038 (or 47036 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 143422144012 its reverse (210441224341), we get a palindrome (353863368353).

The spelling of 143422144012 in words is "one hundred forty-three billion, four hundred twenty-two million, one hundred forty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 179 358 619 716 1238 1253 2476 2506 4333 5012 8666 17332 46229 92458 110801 184916 221602 323603 443204 647206 775607 1294412 1551214 3102428 8274991 16549982 28615751 33099964 57231502 57924937 114463004 115849874 200310257 231699748 400620514 801241028 5122219429 10244438858 20488877716 35855536003 71711072006 143422144012